MIG 29 and Variants

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MIG-29

The Mikoyan MiG-29 (NATO reporting name: Fulcrum) is a 4th-generation jet fighter aircraft designed in the Soviet Union for an air superiority role. Developed in the 1970s by the Mikoyan design bureau, it entered service with the Soviet Air Force in 1983, and remains in use by the Russian Air Force as well as in many other nations. The NATO name "Fulcrum" was sometimes unofficially used by Soviet pilots in service.The MiG-29, along with the Sukhoi Su-27, were developed to counter new American fighters such as the McDonnell Douglas F-15 Eagle, and the General Dynamics F-16 Fighting Falcon.

Development

In 1969 the existence of the United States Air Force's "F-X" program, which would result in the McDonnell Douglas F-15 Eagle, became public knowledge. At the height of the Cold War, a Soviet response was necessary to avoid the possibility of a new American fighter becoming a serious technological advantage over existing Soviet fighters, thus the development of a new air superiority fighter became a priority. The Soviet General Staff issued a requirement for a Perspektivnyy Frontovoy Istrebitel (PFI, translating directly as "Perspective Frontline Fighter", roughly "Advanced Frontline Fighter"). Specifications were extremely ambitious, calling for long range, good short-field performance (including the ability to use austere runways), excellent agility, Mach 2+ speed, and heavy armament. The aerodynamic design for the new aircraft was largely carried out by the Russian aerodynamics institute TsAGI in collaboration with the Sukhoi design bureau.However, in 1971 Soviet studies determined the need for different types of fighters. The PFI program was supplemented with the LPFI (Perspektivnyy Lyogkiy Frontovoy Istrebitel, or "Advanced Lightweight Tactical Fighter") program; the Soviet fighter force was planned to be approximately 33% PFI and 67% LPFI. PFI and LPFI paralleled the USAF's decision that created the "Lightweight Fighter" program and the General Dynamics F-16 Fighting Falcon and Northrop YF-17. The PFI fighter was assigned to Sukhoi, resulting in the Sukhoi Su-27, while the lightweight fighter went to Mikoyan. Detailed design work on the resultant Mikoyan Product 9, designated MiG-29A, began in 1974, with the first flight taking place on 6 October 1977. The pre-production aircraft was first spotted by United States reconnaissance satellites in November of that year; it was dubbed Ram-L because it was observed at the Zhukovsky flight test center near the town of Ramenskoye. Early Western speculations suggested that the Ram-L was very similar in appearance to the YF-17 and powered by afterburning Tumansky R-25 turbojets.

Despite program delays caused by the loss of two prototypes in engine-related accidents (third prototype on 15 June 1978 and the fifth prototype on 31 October 1980) , the MiG-29B production version entered service in August 1983 at the Kubinka air base. State acceptance trials were completed in 1984, and deliveries began the same year to the Soviet Frontal Aviation.

The workload split between TPFI and LPFI became more apparent as the MiG-29 filtered into front line service with the Soviet Air Forces (Russian: Voenno-Vozdushnye Sily [VVS]) in the mid-1980s. While the heavy, long range Su-27 was tasked with the more exotic and dangerous role of deep air-to-air sweeps of NATO high-value assets, the smaller MiG-29 directly replaced the MiG-23 in the frontal aviation role. The MiG-29 was positioned relatively close to the front lines, tasked with providing local air superiority to advancing Soviet motorized army units. Rugged landing gear and protective intake grates meant the MiG-29 could operate from the damaged or under-prepared airstrips Soviet war planners expected to encounter during a rapid armored advance. The MiG-29 was also tasked with escort duties for local strike and interdiction air packages, protecting vulnerable ground attack aircraft from NATO fighters such as the F-15 and F-16. Frontal aviation MiG-29s would ensure Soviet ground forces could operate under a safe air umbrella, moving forward with the troops as they advanced.

MiG-29UB trainerIn the West, the new fighter was given the NATO reporting name "Fulcrum-A" because the pre-production MiG-29A, which should have logically received this designation, remained unknown in the West at that time. The MiG-29B was widely exported in downgraded versions known as MiG-29B 9-12A and MiG-29B 9-12B (for Warsaw Pact and non-Warsaw Pact nations, respectively), with less capable avionics and no capability for delivering nuclear weapons. Total production was about 840 aircraftImproved versionsIn the 1980s, Mikoyan developed the improved MiG-29S to use longer range R-27E and R-77 air-to-air missiles. It added a dorsal 'hump' to the upper fuselage to house a jamming system and some additional fuel capacity. The weapons load was increased to 4,000 kg (8,800 lb) with airframe strengthening. These features were included in new-built fighters and upgrades to older MiG-29s

Refined versions of the MiG-29 with improved avionics were fielded by the Soviet Union, but Mikoyan’s multi-role variants, including a carrier-based version designated MiG-29K, were never produced in large numbers. In the post-Soviet era, MiG-29 development was influenced by the Mikoyan bureau's apparent lesser political clout than rival Sukhoi. Some more advanced versions are still being pursued for export, and updates of existing Russian aircraft are likely. New fighter versions called MiG-29M/M2 and MiG-29SMT have been developed. Furthermore, development of the MiG-29K carrier version has been resumed for the Indian Navy's INS Vikramaditya aircraft carrier.

The Soviet Union did not assign official names to most of its aircraft, although nicknames were common. Unusually, some Soviet pilots found the MiG-29’s NATO reporting name, 'Fulcrum', to be a flattering description of the aircraft’s intended purpose, and it is sometimes unofficially used in Russian service.

DesignFeatures Because it was developed from the same basic parameters laid out by TsAGI for the original PFI, the MiG-29 is aerodynamically broadly similar to the Sukhoi Su-27, but with some notable differences. It is built largely out of aluminium with some composite materials. It has a mid-mounted swept wing with blended leading-edge root extensions (LERXs) swept at around 40°. There are swept tailplanes and two vertical fins, mounted on booms outboard of the engines. Automatic slats are mounted on the leading edges of the wings; they are four-segment on early models and five-segment on some later variants. On the trailing edge, there are maneuvering flaps and wingtip ailerons. At the time of its deployment, it was one of the first jet fighters in service capable of executing the Pugachev Cobra maneuver.

The MiG-29 has hydraulic controls and a SAU-451 three-axis autopilot but, unlike the Su-27, no fly-by-wire control system. Nonetheless, it is very agile, with excellent instantaneous and sustained turn performance, high alpha capability, and a general resistance to spins. The airframe is stressed for 9-g (88 m/s²) maneuvers. The controls have "soft" limiters to prevent the pilot from exceeding the g and alpha limits, but these can be disabled manually.

PowerplantThe MiG-29 has two widely spaced Klimov RD-33 turbofan engines, each rated at 50.0 kN (11,240 lb) dry and 81.3 kN (18,277 lb) in afterburner. The space between the engines generates lift, thereby reducing effective wing loading, to improve maneuverability. The engines are fed through wedge-type intakes fitted under the leading-edge extensions (LERXs), which have variable ramps to allow high-Mach speeds. As an adaptation to rough-field operations, the main air inlet can be closed completely and alter using the auxiliary air inlet on the upper fuselage for takeoff, landing and low-altitude flying, preventing ingestion of ground debris (foreign object damage [FOD]). Thereby the engines receive air through louvers on the LERXs which open automatically when intakes are closed. However the latest variant of the family, the MiG-35, eliminated these dorsal louvers, and adopted the mesh screens design in the main intakes, similar to those fitted to the Su-27.

Range and fuel systemThe internal fuel capacity of the original MiG-29B is only 4,365 litres distributed between six internal fuel tanks, four in the fuselage and one in each wing. As a result, the aircraft has a very limited range, in line with the original Soviet requirements for a point-defense fighter. For longer flights, this can be supplemented by a 1,500-litre (330 Imp gal, 395 US gal) centreline drop tank and, on later production batches, two 1,150-litre (253 Imp gal, 300 US gal) underwing drop tanks. In addition, a small number have been fitted with port-side inflight refueling probes, allowing much longer flight times by using a probe-and-drogue system. Some MiG-29B airframes have been upgraded to the "Fatback" configuration (MiG-29 9-13), which adds a dorsal-mounted internal fuel tank. Advanced variants, such as the MiG-35, can be fitted with a conformal fuel tank on the dorsal spine, although none of them have yet entered service.

CockpitThe cockpit features a conventional centre stick and left hand throttle controls. The pilot sits in a Zvezda K-36DM zero-zero ejection seat which has had impressive performance in emergency escapes.The cockpit has conventional dials, with a head-up display (HUD) and a Shchel-3UM helmet mounted display, but no HOTAS ("hands-on-throttle-and-stick") capability. Emphasis seems to have been placed on making the cockpit similar to the earlier MiG-23 and other Soviet aircraft for ease of conversion, rather than on ergonomics. Nonetheless, the MiG-29 does have substantially better visibility than most previous Russian jet fighters, thanks to a high-mounted bubble canopy. Upgraded models introduce "glass cockpits" with modern liquid-crystal (LCD) multi-function displays (MFDs) and true HOTAS.

SensorsThe baseline MiG-29B has a Phazotron RLPK-29 (Radiolokatsyonnui Pritselnui Kompleks) radar fire control system (FCS) which includes the N019 (Sapfir 29; NATO: 'Slot Back') look-down/shoot-down coherent pulse-Doppler radar and the Ts100.02-02 digital computer. Tracking range against a fighter-sized target was only about 70 km (38 nmi) in the frontal aspect and 35 km (19 nmi) in the rear aspect. Range against bomber-sized targets was roughly double. Ten targets could be displayed in search mode, but the radar had to lock onto a single target for semi-active homing (SARH). The MiG-29 was not able to reliably utilize the new Vympel R-27R (NATO: AA-10 "Alamo") long-range SARH missile at its maximum ranges.These performance deficiencies stemmed largely from the fact the N019 radar was not, in fact, a new design. Instead, the system was a further development of the architecture already used in Phazotron's Sapfir-23ML system, then in use on the MiG-23ML. During the initial MiG-29 design specification period in the mid-1970s, Phazotron NIIR was tasked with producing a modern radar for the MiG-29. To speed development, Phazotron based its new design on the work undertaken by NPO Istok on the experimental "Soyuz" radar program. Accordingly, the N019 was originally intended to have a flat planar array antenna and full digital signal processing, giving a detection and tracking range of at least 100 km against a fighter-sized target. Given the state of Soviet avionics technology at the time, it was an ambitious goal. Testing and prototypes soon revealed this could not be attained in the required timeframe, at least not in a radar that would fit in the MiG-29's nose. Rather than design a completely new, albeit more modest radar, Phazotron reverted to a version of the twisted-polarization Cassegrain antenna used successfully on the Sapfir-23ML to save time and cost. This system used the same analog signal processors as their earlier designs, coupled with a NII Argon-designed Ts100 digital computer. While this decision provided a working radar system for the new fighter, it inherited all of the weak points of the earlier design. This reliance on 1960s-era technology continued to plague the MiG-29's ability to detect and track airborne targets at ranges available with the R-27 and R-77 missiles, although new designs like the digital N010 Zhuk-M address the serious signal processing shortcomings inherent in the analog design. Most MiG-29 continue to use the analog N019 or N019M radar, although VVS has indicated its desire to upgrade all existing MiG-29s to a fully digital system.The N019 was further compromised by Phazotron designer Adolf Tolkachev's betrayal of the radar to the CIA, for which he was executed in 1986. In response to all of these problems, the Soviets hastily developed a modified N019M Topaz radar for the upgraded MiG-29S aircraft. However, VVS was reportedly still not satisfied with the performance of the system and demanded another upgrade. The latest upgraded aircraft offered the N010 Zhuk-M, which has a planar array antenna rather than a dish, improving range, and a much superior processing ability, with multiple-target engagement capability and compatibility with the Vympel R-77 (or RVV-AE) (NATO: AA-12 'Adder'). A useful feature the MiG-29 shares with the Su-27 is the S-31E2 KOLS, a combined laser rangefinder and IRST in an "eyeball" mount forward of the cockpit canopy. This can be slaved to the radar or used independently, and provides exceptional gun-laying accuracy.

ArmamentArmament for the MiG-29 includes a single GSh-30-1 30 mm cannon in the port wing root. This originally had a 150-round magazine, which was reduced to 100 rounds in later variants. Original production MiG-29B aircraft cannot fire the cannon when carrying a centerline fuel tank as it blocks the shell ejection port. This issue was corrected in the MiG-29S and later versions. Three pylons are provided under each wing (four in some variants), for a total of six (or eight). The inboard pylons can carry either a 1,150-litre (300 US gal) fuel tank, one Vympel R-27 (AA-10 "Alamo") medium-range air-to-air missile, or unguided bombs or rockets. Some Soviet aircraft could carry a single nuclear bomb on the port inboard station. The outer pylons usually carry R-73 (AA-11 "Archer") dogfight missiles, although some users still retain the older R-60 (AA-8 "Aphid"). A single 1,500-litre (400 US gal) tank can be fitted to the centerline, between the engines, for ferry flights, but this position is not used for combat stores. The original MiG-29B can carry general-purpose bombs and unguided rocket pods, but not precision-guided munitions. Upgraded models have provision for laser-guided and electro-optical bombs, as well as air-to-surface missiles.

VariantsThere are currently several upgrade programmes conducted by the Russian Air Force for MiG-29 fighters which envisage: upgrading of the avionics suite to comply with NATO / ICAO (www.icao.int) standards, extension of the aircraft service life to 4,000 flight hours (40 years), upgrading combat capabilities and reliability, safety enhancements. In 2005 the Russian Aircraft Corporation “MiG” started production of new unified family of multi-role fighters of the 4++ generation (aircraft-carrier based MiG-29K, front-line MiG-29M and MiG-35 fighters).

MiG-29SThe MiG-29S is similar in external appearance to older MiG-29B airframes, except for the dorsal hump behind the cockpit canopy. Differences start with the improvements in the flight control system. Four new computers provide better stability augmentation and controllability with an increase of 2° in angle of attack (AoA). Its improved mechanical-hydraulic flight control system allows for greater control surface deflections. The MiG-29S's dorsal hump, earning it the nickname "Fatback" in service, was originally believed to be for additional fuel, but in fact, most of its volume is used for the new L-203BE Gardenyia-1 ECM system.The MiG-29S can carry 1,150 liter (304 US gallon, 2,000 lb) drop tanks under each wing and a centerline tank. Inboard underwing hardpoints are upgraded to allow for a tandem pylon arrangement for a larger payload of 4,000 kg (8,820 lb). Overall maximum gross weight has been raised to 20,000 kg (44,000 lb). The GSh-30-1 cannon had its expended round ejector port modified to allow for firing while the centerline tank is still attached. Improvements also allow for new longer-range air-to-air missiles like the R-27E (AA-10 "Alamo") and R-77 (AA-12 "Adder").Initially, the avionics of the MiG-29S only added a new IRST sighting system combined with a better imbedded training system that allowed for IR and radar target simulation. However, the final MiG-29S improvement kit also provides for the Phazotron N019M radar and more built-in test equipment (BITE) (especially for the radar) to reduce dependence on ground support equipment; MiG MAPO calls this model the MiG-29SD. Revised weapon system algorithms in the MiG-29S's software, combined with an increase in processing capacity, allows for the tracking of up to 10 targets and the simultaneous engagement of two with the R-77 missile.The MiG-29S also has a limited ground-attack capability with unguided munitions, but in order to transform the MiG-29 into a true multi-role fighter, MAPO designed the MiG-29SM variant with the improved avionics necessary to carry and employ precision-guided weapons. The "SE/SD/SM" improvements in the MiG-29S, combined with the development money made available for the naval MiG-29K, gave MAPO the incentive to forge ahead with the multirole MiG-29M "Super Fulcrum".Flight performance of the MiG-29S is but slightly reduced due to the additional weight of the additional fuel and avionics. Only 48 MiG-29S new-built airframes were produced for the Russian VVS before funding was cut. Of this number, it is unknown how many are the standard air-superiority "S" version and how many are the multi-role "SM" version. NATO reporting code is 'Fulcrum-C'.

MiG-29S-13 (Product 9.13)MiG-29 variant similar to the 9.12, but with an enlarged fuselage spine containing additional fuel and a Gardeniya active jammer. Product 9.13S is also version with the same airframe as the 9.13, but with an increased external weapons load of 4,000 kg, and provision for two underwing fuel tanks. Radar upgraded to N019ME, providing an ability to track 10 targets and engage 2 simultaneously. Compatible with the Vympel R-77 (AA-12 "Adder") air-to-air missile (similar to the AIM-120 AMRAAM). NATO reporting code is 'Fulcrum-C'.

MiG-29SM (Product 9.13M)Similar to the 9.13, but with the ability to carry guided air-to-surface missiles and TV- and laser-guided bombs. NATO reporting code is 'Fulcrum-C'.

MIG 29 SMT

MiG-29G/MiG-29GTIt was an upgrade standard for the German Luftwaffe's MiG-29 / 29UB, inherited from the former East Germany to the NATO standards. Works was done by MiG Aircraft Product Support GmbH (MAPS), a joint venture company form between MiG Moscow Aviation Production Association and DaimlerChrysler Aerospace in 1993.

MiG-29AS/MiG-29UBS (MiG-29SD)Slovak Air Force performed an upgrade on their MiG-29/-29UB for NATO compatibility. Work is done by RAC MiG and Western firms, starting from 2005. The aircraft now has navigation and communications systems from Rockwell Collins, an IFF system from BAE Systems, new glass cockpit features multi-function LCD displays and digital processors and also fitted to be integrate with Western equipment in the future. However, the armaments of the aircraft remain unchanged. 12 out of 21 of the entire MiG-29 fleet were upgraded and had been delivered as of late February, 2008.

MiG-29 SniperUpgrade planned for Romanian Air Force, by Israeli firms. First flight occurred on 5 May 2000. The program was halted along with the retiring of Romanian MiG-29s in 2003. The latter occurred because of high maintenance costs, which led to the Romanian Government's decision to halt the MiG-29 program and further invest in the MiG-21 LanceR program.MiG-29M / MiG-33 (Product 9.15)Advanced multi-role variant, with a redesigned airframe, mechanical flight controls replaced by a fly-by-wire system and powered by enhanced RD-33 ser.3M engines. NATO reporting code is 'Fulcrum-E'.

MiG-29UBM (Product 9.61)Two-seat training variant of the MiG-29M. Never built. Effectively continued under the designation 'MiG-29M2'.

MiG-29K (Product 9.31)Naval variant based on MiG-29M, the letter "K" stands for "Korabelnogo bazirovaniya" (Deck-based ), with equipment such as folding wings, arrestor gear, and reinforced landing gear. Originally intended for the Admiral Kuznetsov class aircraft carriers, had even received series production approval from Russian Ministry of Defence but was later grounded in 1992 due to shift in military doctrine and state financial difficulty. MiG Corporation restarted the program in 1999 and made vital improvement to the previous design. On 20 January 2004, Indian Navy signed a contract of 12 single-seat MiG-29K and four two-seat MiG-29KUB. Modifications were made for Indian Navy requirement, now standard for all current production. Current production MiG-29K and MiG-29KUB also share a two-seater size canopy. The MiG-29K has radar absorbing coatings to reduce radar signature. Cockpit displays consist of wide HUD and three (seven on MiG-29KUB) colour LCD MFDs with a Topsight E helmet-mounted targeting system. It has a full range of weapons compatible with the MiG-29M and MiG-29SMT. NATO reporting code is "Fulcrum-D".

MiG-29KUB (Product 9.47)Identical characteristic to the MiG-29K but with tandem twin seat configuration. The design is to serve as trainer for MiG-29K pilot and is full combat capable. The first MiG-29KUB developed for the Indian Navy made its maiden flight at the Russian Zhukovsky aircraft test centre on 22 January 2007. NATO reporting code is 'Fulcrum-D'.

MiG-29SMT (Product 9.17)The MiG-29SMT is an upgrade package of the first-generation MiG-29s (9.12 to 9.13) containing many enhancements intended for the MiG-29M. Additional fuel tanks in a further enlarged spine provide a maximum flight range of 2,100 km (on internal fuel). The cockpit has an enhanced HOTAS design, two 152 × 203 mm (6 × 8 inch) colour liquid crystal MFDs and two smaller monochrome LCDs. The upgraded Zhuk-ME radar provides similar features to the MiG-29M. The power plant are upgraded RD-33 ser.3 engines with afterburning thrust rated the same at 8,300 kgf (81.4 kN) each. The weapons load was increased to 4,500 kg on six underwing and one ventral hardpoints, with similar weapon choices as for the MiG-29M variant. The upgraded aircraft has also a painted path for non-Russian origin avionics and weapons.

MiG-29M2 / MiG-29MRCATwo-seat version of MiG-29M. Identical characteristics to MiG-29M, with a slightly reduced ferry range of 1,800 km. RAC MiG presented in various air shows, to name a few, Fifth China International Aviation and Aerospace Exhibition (CIAAE 2004),[85] Aero India 2005, MAKS 2005. It was once given designation MiG-29MRCA for marketing purpose and now evolved into the current MiG-35.

MiG-29OVTThe aircraft is one of the six pre-built MiG-29Ms before 1991, later received thrust-vectoring engine and fly-by-wire technology. It served as a thrust-vectoring engine testbed and technology demonstrator in various air shows to show future improvement in the MiG-29M. It has identical avionics to the MiG-29M. The only difference in the cockpit layout is an additional switch to turn on vector thrust function. The two RD-133 thrust-vectoring engines, each features unique rotating nozzles which can provide thrust vector deflection in all directions. However, despite its thrust-vectoring, other specifications were not officially emphasized. The aircraft is being demonstrated along with the MiG-29M2 in various air shows around the world for potential export. The aircraft is usually used as an aerobatic demonstrator.

MiG-35A recently unveiled mature development of the MiG-29M/M2 and MiG-29K/KUB. NATO reporting code is 'Fulcrum-F'.